MdeModulePkg: Add SMM LockBox
This includes: * LockBox protocol definition * LockBoxLib library interface definition * SmmLockBox GUID * LockBoxNullLib library implementation * 2 SmmLockBoxLib library implementations * SmmLockBox SMM driver Signed-off-by: jljusten Reviewed-by: mdkinney Reviewed-by: geekboy15a Reviewed-by: jyao1 Reviewed-by: lgao4 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12029 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
139
MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.c
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139
MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.c
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/** @file
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Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi.h>
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#include <Library/DebugLib.h>
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/**
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This function will save confidential information to lockbox.
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@param Guid the guid to identify the confidential information
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@param Buffer the address of the confidential information
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@param Length the length of the confidential information
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@retval RETURN_SUCCESS the information is saved successfully.
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@retval RETURN_INVALID_PARAMETER the Guid is NULL, or Buffer is NULL, or Length is 0
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@retval RETURN_ALREADY_STARTED the requested GUID already exist.
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@retval RETURN_OUT_OF_RESOURCES no enough resource to save the information.
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@retval RETURN_ACCESS_DENIED it is too late to invoke this interface
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@retval RETURN_NOT_STARTED it is too early to invoke this interface
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@retval RETURN_UNSUPPORTED the service is not supported by implementaion.
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**/
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RETURN_STATUS
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EFIAPI
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SaveLockBox (
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IN GUID *Guid,
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IN VOID *Buffer,
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IN UINTN Length
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)
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{
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return RETURN_SUCCESS;
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}
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/**
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This function will set lockbox attributes.
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@param Guid the guid to identify the confidential information
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@param Attributes the attributes of the lockbox
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@retval RETURN_SUCCESS the information is saved successfully.
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@retval RETURN_INVALID_PARAMETER attributes is invalid.
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@retval RETURN_NOT_FOUND the requested GUID not found.
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@retval RETURN_ACCESS_DENIED it is too late to invoke this interface
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@retval RETURN_NOT_STARTED it is too early to invoke this interface
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@retval RETURN_UNSUPPORTED the service is not supported by implementaion.
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**/
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RETURN_STATUS
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EFIAPI
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SetLockBoxAttributes (
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IN GUID *Guid,
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IN UINT64 Attributes
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)
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{
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return RETURN_SUCCESS;
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}
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/**
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This function will update confidential information to lockbox.
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@param Guid the guid to identify the original confidential information
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@param Offset the offset of the original confidential information
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@param Buffer the address of the updated confidential information
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@param Length the length of the updated confidential information
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@retval RETURN_SUCCESS the information is saved successfully.
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@retval RETURN_INVALID_PARAMETER the Guid is NULL, or Buffer is NULL, or Length is 0.
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@retval RETURN_NOT_FOUND the requested GUID not found.
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@retval RETURN_BUFFER_TOO_SMALL the original buffer to too small to hold new information.
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@retval RETURN_ACCESS_DENIED it is too late to invoke this interface
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@retval RETURN_NOT_STARTED it is too early to invoke this interface
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@retval RETURN_UNSUPPORTED the service is not supported by implementaion.
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**/
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RETURN_STATUS
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EFIAPI
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UpdateLockBox (
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IN GUID *Guid,
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IN UINTN Offset,
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IN VOID *Buffer,
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IN UINTN Length
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)
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{
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return RETURN_SUCCESS;
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}
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/**
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This function will restore confidential information from lockbox.
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@param Guid the guid to identify the confidential information
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@param Buffer the address of the restored confidential information
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NULL means restored to original address, Length MUST be NULL at same time.
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@param Length the length of the restored confidential information
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@retval RETURN_SUCCESS the information is restored successfully.
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@retval RETURN_INVALID_PARAMETER the Guid is NULL, or one of Buffer and Length is NULL.
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@retval RETURN_WRITE_PROTECTED Buffer and Length are NULL, but the LockBox has no
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LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE attribute.
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@retval RETURN_BUFFER_TOO_SMALL the Length is too small to hold the confidential information.
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@retval RETURN_NOT_FOUND the requested GUID not found.
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@retval RETURN_NOT_STARTED it is too early to invoke this interface
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@retval RETURN_ACCESS_DENIED not allow to restore to the address
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@retval RETURN_UNSUPPORTED the service is not supported by implementaion.
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**/
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RETURN_STATUS
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EFIAPI
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RestoreLockBox (
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IN GUID *Guid,
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IN VOID *Buffer, OPTIONAL
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IN OUT UINTN *Length OPTIONAL
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)
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{
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return RETURN_SUCCESS;
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}
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/**
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This function will restore confidential information from all lockbox which have RestoreInPlace attribute.
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@retval RETURN_SUCCESS the information is restored successfully.
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@retval RETURN_NOT_STARTED it is too early to invoke this interface
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@retval RETURN_UNSUPPORTED the service is not supported by implementaion.
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**/
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RETURN_STATUS
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EFIAPI
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RestoreAllLockBoxInPlace (
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VOID
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)
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{
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return RETURN_SUCCESS;
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}
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41
MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.inf
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41
MdeModulePkg/Library/LockBoxNullLib/LockBoxNullLib.inf
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## @file
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# Component description file for LockBox library.
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#
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# Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions
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# of the BSD License which accompanies this distribution. The
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# full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = LockBoxNullLib
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FILE_GUID = 0BA38EBD-E190-4df7-8EC4-0A6E2B43772D
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = LockBoxLib|PEIM DXE_DRIVER DXE_RUNTIME_DRIVER UEFI_DRIVER UEFI_APPLICATION DXE_SMM_DRIVER
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64
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#
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[Sources]
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LockBoxNullLib.c
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[Packages]
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MdePkg/MdePkg.dec
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MdeModulePkg/MdeModulePkg.dec
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[LibraryClasses]
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BaseLib
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